So I have several tables in a mysql db, which are keyed by my
users' email address. I ran various selects and so on, based on email.
Right now the DB is tiny, but I want to make sure I don't run into
My question is, does it make a difference whether the where clause
is run against a string like an email address or an integer ID? I read
the section on optimizing where clauses in the mysql manual, and I
realize indexes are the way to go. Just wondering if the type of data